#2317A0#2317A0

#2317A0 is a dark, highly saturated blue. Relative luminance 0.035; OKLCH L 34.9% C 0.202 H 272.5°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#2317A0
RGB	rgb(35, 23, 160)
HSL	hsl(245, 75%, 36%)
HSV	hsv(245, 86%, 63%)
CMYK	cmyk(78.1%, 85.6%, 0%, 37.3%)
CIE-LAB	lab(21.97, 49.28, -69.61)
CIE-LCH	lch(21.97, 85.28, 305.30°)
OKLab	oklab(34.93% 0.0088 -0.2013)
OKLCH	oklch(34.93% 0.202 272.5)
XYZ	xyz(7.3426, 3.5074, 33.5409)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2317A0 #94A017

analogous

#1750A0 #2317A0 #6717A0

triadic

#2317A0 #A02317 #17A023

tetradic

#2317A0 #A01750 #94A017 #17A067

square

#2317A0 #A01750 #94A017 #17A067

split-complementary

#2317A0 #A06717 #50A017

monochromatic

#0C0835 #170F6A #2317A0 #2F1FD6 #5A4CE5

Accessibility & contrast

On white

12.34

#2317A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2317A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2317A0

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2317A0	#FFFFFF	#000000	##FFFFFF
##2317A0	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA4

Deuteranopia (green-blind)

#002E9E

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2317a0;
/* rgb */ color: rgb(35, 23, 160);
/* oklch */ color: oklch(34.9% 0.202 272.5);

Tailwind

colors: {
  custom: {
    50: '#765abe',
    500: '#2317a0',
    950: '#000000',
  },
}

SCSS

$custom: #2317a0;
$custom-light: #765abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2317a0",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 160
  },
  "hsl": {
    "h": 245.255,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.34933,
    "c": 0.2015,
    "h": 272.5
  },
  "luminance": 0.03508
}

Semantic roles & 50–950 ramp

primary

#2317A0

secondary

#BCC74C

accent

#F136E1

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2317A0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →